<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Wages and Hours Worked</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" type="text/css" href="R.css" />
</head><body>

<table width="100%" summary="page for LaborSupply"><tr><td>LaborSupply</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>Wages and Hours Worked</h2>

<h3>Description</h3>

<p>A panel of 532 observations from 1979 to 1988
</p>


<h3>Format</h3>

<p>A data frame containing :
</p>

<dl>
<dt>lnhr</dt><dd><p>log of annual hours worked</p>
</dd>
<dt>lnwg</dt><dd><p>log of hourly wage</p>
</dd>
<dt>kids</dt><dd><p>number of children</p>
</dd>
<dt>age</dt><dd><p>age</p>
</dd>
<dt>disab</dt><dd><p>bad health</p>
</dd>
<dt>id</dt><dd><p>id</p>
</dd>
<dt>year</dt><dd><p>year</p>
</dd>
</dl>


<h3>Details</h3>

<p><em>number of observations</em> : 5320
</p>


<h3>Source</h3>

<p>Online complements to Ziliak (1997).
</p>
<p>Journal of Business Economics and Statistics web site:
<a href="http://amstat.tandfonline.com/loi/ubes20/">http://amstat.tandfonline.com/loi/ubes20/</a>.
</p>


<h3>References</h3>

<p>Colin Cameron A, K. Trivedi P (2005).
<em>Microeconometrics: Methods and Applications</em>.
Cambridge University Press.
ISBN 0521848059, doi: <a href="https://doi.org/10.1017/CBO9780511811241">10.1017/CBO9780511811241</a>.
</p>
<p>Ziliak JP (1997).
&ldquo;Efficient Estimation with Panel Data When Instruments Are
                  Predetermined: An Empirical Comparison of
                  Moment-Condition Estimators.&rdquo;
<em>Journal of Business &amp; Economic Statistics</em>, <b>15</b>(4), 419&ndash;431.
ISSN 07350015.
</p>


</body></html>
